21195655482

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{31663}}^1$

素因数の和:31819

約数の個数: 64

約数和(自身を含む): 45231390720

約数和(自身を除く): 24035735238

約数列:

[1, 2, 3, 6, 31, 59, 61, 62, 93, 118, 122, 177, 183, 186, 354, 366, 1829, 1891, 3599, 3658, 3782, 5487, 5673, 7198, 10797, 10974, 11346, 21594, 31663, 63326, 94989, 111569, 189978, 223138, 334707, 669414, 981553, 1868117, 1931443, 1963106, 2944659, 3736234, 3862886, 5604351, 5794329, 5889318, 11208702, 11588658, 57911627, 59874733, 113955137, 115823254, 119749466, 173734881, 179624199, 227910274, 341865411, 347469762, 359248398, 683730822, 3532609247, 7065218494, 10597827741, 21195655482]

約数ペア:

[(1, 21195655482), (2, 10597827741), (3, 7065218494), (6, 3532609247), (31, 683730822), (59, 359248398), (61, 347469762), (62, 341865411), (93, 227910274), (118, 179624199), (122, 173734881), (177, 119749466), (183, 115823254), (186, 113955137), (354, 59874733), (366, 57911627), (1829, 11588658), (1891, 11208702), (3599, 5889318), (3658, 5794329), (3782, 5604351), (5487, 3862886), (5673, 3736234), (7198, 2944659), (10797, 1963106), (10974, 1931443), (11346, 1868117), (21594, 981553), (31663, 669414), (63326, 334707), (94989, 223138), (111569, 189978)]