21914904

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 128

約数和(自身を含む): 66873600

約数和(自身を除く): 44958696

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 19, 22, 24, 33, 34, 38, 44, 51, 57, 66, 68, 76, 88, 102, 114, 132, 136, 152, 187, 204, 209, 228, 257, 264, 323, 374, 408, 418, 456, 514, 561, 627, 646, 748, 771, 836, 969, 1028, 1122, 1254, 1292, 1496, 1542, 1672, 1938, 2056, 2244, 2508, 2584, 2827, 3084, 3553, 3876, 4369, 4488, 4883, 5016, 5654, 6168, 7106, 7752, 8481, 8738, 9766, 10659, 11308, 13107, 14212, 14649, 16962, 17476, 19532, 21318, 22616, 26214, 28424, 29298, 33924, 34952, 39064, 42636, 48059, 52428, 53713, 58596, 67848, 83011, 85272, 96118, 104856, 107426, 117192, 144177, 161139, 166022, 192236, 214852, 249033, 288354, 322278, 332044, 384472, 429704, 498066, 576708, 644556, 664088, 913121, 996132, 1153416, 1289112, 1826242, 1992264, 2739363, 3652484, 5478726, 7304968, 10957452, 21914904]

約数ペア:

[(1, 21914904), (2, 10957452), (3, 7304968), (4, 5478726), (6, 3652484), (8, 2739363), (11, 1992264), (12, 1826242), (17, 1289112), (19, 1153416), (22, 996132), (24, 913121), (33, 664088), (34, 644556), (38, 576708), (44, 498066), (51, 429704), (57, 384472), (66, 332044), (68, 322278), (76, 288354), (88, 249033), (102, 214852), (114, 192236), (132, 166022), (136, 161139), (152, 144177), (187, 117192), (204, 107426), (209, 104856), (228, 96118), (257, 85272), (264, 83011), (323, 67848), (374, 58596), (408, 53713), (418, 52428), (456, 48059), (514, 42636), (561, 39064), (627, 34952), (646, 33924), (748, 29298), (771, 28424), (836, 26214), (969, 22616), (1028, 21318), (1122, 19532), (1254, 17476), (1292, 16962), (1496, 14649), (1542, 14212), (1672, 13107), (1938, 11308), (2056, 10659), (2244, 9766), (2508, 8738), (2584, 8481), (2827, 7752), (3084, 7106), (3553, 6168), (3876, 5654), (4369, 5016), (4488, 4883)]