21928470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:150

約数の個数: 128

約数和(自身を含む): 61378560

約数和(自身を除く): 39450090

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 19, 30, 31, 34, 38, 51, 57, 62, 73, 85, 93, 95, 102, 114, 146, 155, 170, 186, 190, 219, 255, 285, 310, 323, 365, 438, 465, 510, 527, 570, 589, 646, 730, 930, 969, 1054, 1095, 1178, 1241, 1387, 1581, 1615, 1767, 1938, 2190, 2263, 2482, 2635, 2774, 2945, 3162, 3230, 3534, 3723, 4161, 4526, 4845, 5270, 5890, 6205, 6789, 6935, 7446, 7905, 8322, 8835, 9690, 10013, 11315, 12410, 13578, 13870, 15810, 17670, 18615, 20026, 20805, 22630, 23579, 30039, 33945, 37230, 38471, 41610, 42997, 47158, 50065, 60078, 67890, 70737, 76942, 85994, 100130, 115413, 117895, 128991, 141474, 150195, 192355, 214985, 230826, 235790, 257982, 300390, 353685, 384710, 429970, 577065, 644955, 707370, 730949, 1154130, 1289910, 1461898, 2192847, 3654745, 4385694, 7309490, 10964235, 21928470]

約数ペア:

[(1, 21928470), (2, 10964235), (3, 7309490), (5, 4385694), (6, 3654745), (10, 2192847), (15, 1461898), (17, 1289910), (19, 1154130), (30, 730949), (31, 707370), (34, 644955), (38, 577065), (51, 429970), (57, 384710), (62, 353685), (73, 300390), (85, 257982), (93, 235790), (95, 230826), (102, 214985), (114, 192355), (146, 150195), (155, 141474), (170, 128991), (186, 117895), (190, 115413), (219, 100130), (255, 85994), (285, 76942), (310, 70737), (323, 67890), (365, 60078), (438, 50065), (465, 47158), (510, 42997), (527, 41610), (570, 38471), (589, 37230), (646, 33945), (730, 30039), (930, 23579), (969, 22630), (1054, 20805), (1095, 20026), (1178, 18615), (1241, 17670), (1387, 15810), (1581, 13870), (1615, 13578), (1767, 12410), (1938, 11315), (2190, 10013), (2263, 9690), (2482, 8835), (2635, 8322), (2774, 7905), (2945, 7446), (3162, 6935), (3230, 6789), (3534, 6205), (3723, 5890), (4161, 5270), (4526, 4845)]