21798972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{3583}}^1$

素因数の和:3619

約数の個数: 54

約数和(自身を含む): 59684352

約数和(自身を除く): 37885380

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 3583, 6084, 7166, 10749, 14332, 21498, 32247, 42996, 46579, 64494, 93158, 128988, 139737, 186316, 279474, 419211, 558948, 605527, 838422, 1211054, 1676844, 1816581, 2422108, 3633162, 5449743, 7266324, 10899486, 21798972]

約数ペア:

[(1, 21798972), (2, 10899486), (3, 7266324), (4, 5449743), (6, 3633162), (9, 2422108), (12, 1816581), (13, 1676844), (18, 1211054), (26, 838422), (36, 605527), (39, 558948), (52, 419211), (78, 279474), (117, 186316), (156, 139737), (169, 128988), (234, 93158), (338, 64494), (468, 46579), (507, 42996), (676, 32247), (1014, 21498), (1521, 14332), (2028, 10749), (3042, 7166), (3583, 6084)]