21150570

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1$

素因数の和:220

約数の個数: 128

約数和(自身を含む): 63037440

約数和(自身を除く): 41886870

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 23, 29, 30, 35, 42, 46, 58, 69, 70, 87, 105, 115, 138, 145, 151, 161, 174, 203, 210, 230, 290, 302, 322, 345, 406, 435, 453, 483, 609, 667, 690, 755, 805, 870, 906, 966, 1015, 1057, 1218, 1334, 1510, 1610, 2001, 2030, 2114, 2265, 2415, 3045, 3171, 3335, 3473, 4002, 4379, 4530, 4669, 4830, 5285, 6090, 6342, 6670, 6946, 8758, 9338, 10005, 10419, 10570, 13137, 14007, 15855, 17365, 20010, 20838, 21895, 23345, 24311, 26274, 28014, 30653, 31710, 34730, 43790, 46690, 48622, 52095, 61306, 65685, 70035, 72933, 91959, 100717, 104190, 121555, 131370, 140070, 145866, 153265, 183918, 201434, 243110, 302151, 306530, 364665, 459795, 503585, 604302, 705019, 729330, 919590, 1007170, 1410038, 1510755, 2115057, 3021510, 3525095, 4230114, 7050190, 10575285, 21150570]

約数ペア:

[(1, 21150570), (2, 10575285), (3, 7050190), (5, 4230114), (6, 3525095), (7, 3021510), (10, 2115057), (14, 1510755), (15, 1410038), (21, 1007170), (23, 919590), (29, 729330), (30, 705019), (35, 604302), (42, 503585), (46, 459795), (58, 364665), (69, 306530), (70, 302151), (87, 243110), (105, 201434), (115, 183918), (138, 153265), (145, 145866), (151, 140070), (161, 131370), (174, 121555), (203, 104190), (210, 100717), (230, 91959), (290, 72933), (302, 70035), (322, 65685), (345, 61306), (406, 52095), (435, 48622), (453, 46690), (483, 43790), (609, 34730), (667, 31710), (690, 30653), (755, 28014), (805, 26274), (870, 24311), (906, 23345), (966, 21895), (1015, 20838), (1057, 20010), (1218, 17365), (1334, 15855), (1510, 14007), (1610, 13137), (2001, 10570), (2030, 10419), (2114, 10005), (2265, 9338), (2415, 8758), (3045, 6946), (3171, 6670), (3335, 6342), (3473, 6090), (4002, 5285), (4379, 4830), (4530, 4669)]