21346650

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 144

約数和(自身を含む): 63980280

約数和(自身を除く): 42633630

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 41, 45, 50, 65, 75, 78, 82, 89, 90, 117, 123, 130, 150, 178, 195, 205, 225, 234, 246, 267, 325, 369, 390, 410, 445, 450, 533, 534, 585, 615, 650, 738, 801, 890, 975, 1025, 1066, 1157, 1170, 1230, 1335, 1599, 1602, 1845, 1950, 2050, 2225, 2314, 2665, 2670, 2925, 3075, 3198, 3471, 3649, 3690, 4005, 4450, 4797, 5330, 5785, 5850, 6150, 6675, 6942, 7298, 7995, 8010, 9225, 9594, 10413, 10947, 11570, 13325, 13350, 15990, 17355, 18245, 18450, 20025, 20826, 21894, 23985, 26650, 28925, 32841, 34710, 36490, 39975, 40050, 47437, 47970, 52065, 54735, 57850, 65682, 79950, 86775, 91225, 94874, 104130, 109470, 119925, 142311, 164205, 173550, 182450, 237185, 239850, 260325, 273675, 284622, 328410, 426933, 474370, 520650, 547350, 711555, 821025, 853866, 1185925, 1423110, 1642050, 2134665, 2371850, 3557775, 4269330, 7115550, 10673325, 21346650]

約数ペア:

[(1, 21346650), (2, 10673325), (3, 7115550), (5, 4269330), (6, 3557775), (9, 2371850), (10, 2134665), (13, 1642050), (15, 1423110), (18, 1185925), (25, 853866), (26, 821025), (30, 711555), (39, 547350), (41, 520650), (45, 474370), (50, 426933), (65, 328410), (75, 284622), (78, 273675), (82, 260325), (89, 239850), (90, 237185), (117, 182450), (123, 173550), (130, 164205), (150, 142311), (178, 119925), (195, 109470), (205, 104130), (225, 94874), (234, 91225), (246, 86775), (267, 79950), (325, 65682), (369, 57850), (390, 54735), (410, 52065), (445, 47970), (450, 47437), (533, 40050), (534, 39975), (585, 36490), (615, 34710), (650, 32841), (738, 28925), (801, 26650), (890, 23985), (975, 21894), (1025, 20826), (1066, 20025), (1157, 18450), (1170, 18245), (1230, 17355), (1335, 15990), (1599, 13350), (1602, 13325), (1845, 11570), (1950, 10947), (2050, 10413), (2225, 9594), (2314, 9225), (2665, 8010), (2670, 7995), (2925, 7298), (3075, 6942), (3198, 6675), (3471, 6150), (3649, 5850), (3690, 5785), (4005, 5330), (4450, 4797)]