21070530

素因数分解:

$2^1\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:87

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 44973630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 23, 26, 27, 29, 30, 39, 45, 46, 54, 58, 65, 69, 78, 81, 87, 90, 115, 117, 130, 135, 138, 145, 162, 174, 195, 207, 230, 234, 243, 261, 270, 290, 299, 345, 351, 377, 390, 405, 414, 435, 486, 522, 585, 598, 621, 667, 690, 702, 754, 783, 810, 870, 897, 1035, 1053, 1131, 1170, 1215, 1242, 1305, 1334, 1495, 1566, 1755, 1794, 1863, 1885, 2001, 2070, 2106, 2262, 2349, 2430, 2610, 2691, 2990, 3105, 3159, 3335, 3393, 3510, 3726, 3770, 3915, 4002, 4485, 4698, 5265, 5382, 5589, 5655, 6003, 6210, 6318, 6670, 6786, 7047, 7830, 8073, 8671, 8970, 9315, 10005, 10179, 10530, 11178, 11310, 11745, 12006, 13455, 14094, 15795, 16146, 16965, 17342, 18009, 18630, 20010, 20358, 23490, 24219, 26013, 26910, 27945, 30015, 30537, 31590, 33930, 35235, 36018, 40365, 43355, 48438, 50895, 52026, 54027, 55890, 60030, 61074, 70470, 72657, 78039, 80730, 86710, 90045, 91611, 101790, 108054, 121095, 130065, 145314, 152685, 156078, 162081, 180090, 183222, 234117, 242190, 260130, 270135, 305370, 324162, 363285, 390195, 458055, 468234, 540270, 702351, 726570, 780390, 810405, 916110, 1170585, 1404702, 1620810, 2107053, 2341170, 3511755, 4214106, 7023510, 10535265, 21070530]

約数ペア:

[(1, 21070530), (2, 10535265), (3, 7023510), (5, 4214106), (6, 3511755), (9, 2341170), (10, 2107053), (13, 1620810), (15, 1404702), (18, 1170585), (23, 916110), (26, 810405), (27, 780390), (29, 726570), (30, 702351), (39, 540270), (45, 468234), (46, 458055), (54, 390195), (58, 363285), (65, 324162), (69, 305370), (78, 270135), (81, 260130), (87, 242190), (90, 234117), (115, 183222), (117, 180090), (130, 162081), (135, 156078), (138, 152685), (145, 145314), (162, 130065), (174, 121095), (195, 108054), (207, 101790), (230, 91611), (234, 90045), (243, 86710), (261, 80730), (270, 78039), (290, 72657), (299, 70470), (345, 61074), (351, 60030), (377, 55890), (390, 54027), (405, 52026), (414, 50895), (435, 48438), (486, 43355), (522, 40365), (585, 36018), (598, 35235), (621, 33930), (667, 31590), (690, 30537), (702, 30015), (754, 27945), (783, 26910), (810, 26013), (870, 24219), (897, 23490), (1035, 20358), (1053, 20010), (1131, 18630), (1170, 18009), (1215, 17342), (1242, 16965), (1305, 16146), (1334, 15795), (1495, 14094), (1566, 13455), (1755, 12006), (1794, 11745), (1863, 11310), (1885, 11178), (2001, 10530), (2070, 10179), (2106, 10005), (2262, 9315), (2349, 8970), (2430, 8671), (2610, 8073), (2691, 7830), (2990, 7047), (3105, 6786), (3159, 6670), (3335, 6318), (3393, 6210), (3510, 6003), (3726, 5655), (3770, 5589), (3915, 5382), (4002, 5265), (4485, 4698)]