21218136

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:157

約数の個数: 96

約数和(自身を含む): 58521600

約数和(自身を除く): 37303464

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 31, 38, 57, 62, 76, 79, 93, 114, 124, 152, 158, 186, 228, 237, 248, 316, 361, 372, 456, 474, 589, 632, 722, 744, 948, 1083, 1178, 1444, 1501, 1767, 1896, 2166, 2356, 2449, 2888, 3002, 3534, 4332, 4503, 4712, 4898, 6004, 7068, 7347, 8664, 9006, 9796, 11191, 12008, 14136, 14694, 18012, 19592, 22382, 28519, 29388, 33573, 36024, 44764, 46531, 57038, 58776, 67146, 85557, 89528, 93062, 114076, 134292, 139593, 171114, 186124, 228152, 268584, 279186, 342228, 372248, 558372, 684456, 884089, 1116744, 1768178, 2652267, 3536356, 5304534, 7072712, 10609068, 21218136]

約数ペア:

[(1, 21218136), (2, 10609068), (3, 7072712), (4, 5304534), (6, 3536356), (8, 2652267), (12, 1768178), (19, 1116744), (24, 884089), (31, 684456), (38, 558372), (57, 372248), (62, 342228), (76, 279186), (79, 268584), (93, 228152), (114, 186124), (124, 171114), (152, 139593), (158, 134292), (186, 114076), (228, 93062), (237, 89528), (248, 85557), (316, 67146), (361, 58776), (372, 57038), (456, 46531), (474, 44764), (589, 36024), (632, 33573), (722, 29388), (744, 28519), (948, 22382), (1083, 19592), (1178, 18012), (1444, 14694), (1501, 14136), (1767, 12008), (1896, 11191), (2166, 9796), (2356, 9006), (2449, 8664), (2888, 7347), (3002, 7068), (3534, 6004), (4332, 4898), (4503, 4712)]