21809112

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{283}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 62366400

約数和(自身を除く): 40557288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 152, 156, 169, 228, 247, 283, 312, 338, 456, 494, 507, 566, 676, 741, 849, 988, 1014, 1132, 1352, 1482, 1698, 1976, 2028, 2264, 2964, 3211, 3396, 3679, 4056, 5377, 5928, 6422, 6792, 7358, 9633, 10754, 11037, 12844, 14716, 16131, 19266, 21508, 22074, 25688, 29432, 32262, 38532, 43016, 44148, 47827, 64524, 69901, 77064, 88296, 95654, 129048, 139802, 143481, 191308, 209703, 279604, 286962, 382616, 419406, 559208, 573924, 838812, 908713, 1147848, 1677624, 1817426, 2726139, 3634852, 5452278, 7269704, 10904556, 21809112]

約数ペア:

[(1, 21809112), (2, 10904556), (3, 7269704), (4, 5452278), (6, 3634852), (8, 2726139), (12, 1817426), (13, 1677624), (19, 1147848), (24, 908713), (26, 838812), (38, 573924), (39, 559208), (52, 419406), (57, 382616), (76, 286962), (78, 279604), (104, 209703), (114, 191308), (152, 143481), (156, 139802), (169, 129048), (228, 95654), (247, 88296), (283, 77064), (312, 69901), (338, 64524), (456, 47827), (494, 44148), (507, 43016), (566, 38532), (676, 32262), (741, 29432), (849, 25688), (988, 22074), (1014, 21508), (1132, 19266), (1352, 16131), (1482, 14716), (1698, 12844), (1976, 11037), (2028, 10754), (2264, 9633), (2964, 7358), (3211, 6792), (3396, 6422), (3679, 5928), (4056, 5377)]