21437416

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2677}}^1$

素因数の和:2714

約数の個数: 64

約数和(自身を含む): 53988480

約数和(自身を除く): 32551064

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 143, 154, 182, 286, 308, 364, 572, 616, 728, 1001, 1144, 2002, 2677, 4004, 5354, 8008, 10708, 18739, 21416, 29447, 34801, 37478, 58894, 69602, 74956, 117788, 139204, 149912, 206129, 235576, 243607, 278408, 382811, 412258, 487214, 765622, 824516, 974428, 1531244, 1649032, 1948856, 2679677, 3062488, 5359354, 10718708, 21437416]

約数ペア:

[(1, 21437416), (2, 10718708), (4, 5359354), (7, 3062488), (8, 2679677), (11, 1948856), (13, 1649032), (14, 1531244), (22, 974428), (26, 824516), (28, 765622), (44, 487214), (52, 412258), (56, 382811), (77, 278408), (88, 243607), (91, 235576), (104, 206129), (143, 149912), (154, 139204), (182, 117788), (286, 74956), (308, 69602), (364, 58894), (572, 37478), (616, 34801), (728, 29447), (1001, 21416), (1144, 18739), (2002, 10708), (2677, 8008), (4004, 5354)]