21953820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 96

約数和(自身を含む): 70898688

約数和(自身を除く): 48944868

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 167, 210, 313, 334, 420, 501, 626, 668, 835, 939, 1002, 1169, 1252, 1565, 1670, 1878, 2004, 2191, 2338, 2505, 3130, 3340, 3507, 3756, 4382, 4676, 4695, 5010, 5845, 6260, 6573, 7014, 8764, 9390, 10020, 10955, 11690, 13146, 14028, 17535, 18780, 21910, 23380, 26292, 32865, 35070, 43820, 52271, 65730, 70140, 104542, 131460, 156813, 209084, 261355, 313626, 365897, 522710, 627252, 731794, 784065, 1045420, 1097691, 1463588, 1568130, 1829485, 2195382, 3136260, 3658970, 4390764, 5488455, 7317940, 10976910, 21953820]

約数ペア:

[(1, 21953820), (2, 10976910), (3, 7317940), (4, 5488455), (5, 4390764), (6, 3658970), (7, 3136260), (10, 2195382), (12, 1829485), (14, 1568130), (15, 1463588), (20, 1097691), (21, 1045420), (28, 784065), (30, 731794), (35, 627252), (42, 522710), (60, 365897), (70, 313626), (84, 261355), (105, 209084), (140, 156813), (167, 131460), (210, 104542), (313, 70140), (334, 65730), (420, 52271), (501, 43820), (626, 35070), (668, 32865), (835, 26292), (939, 23380), (1002, 21910), (1169, 18780), (1252, 17535), (1565, 14028), (1670, 13146), (1878, 11690), (2004, 10955), (2191, 10020), (2338, 9390), (2505, 8764), (3130, 7014), (3340, 6573), (3507, 6260), (3756, 5845), (4382, 5010), (4676, 4695)]