21638496

素因数分解:

$2^5\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{661}}^1$

素因数の和:716

約数の個数: 96

約数和(自身を含む): 64060416

約数和(自身を除く): 42421920

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 32, 33, 44, 48, 62, 66, 88, 93, 96, 124, 132, 176, 186, 248, 264, 341, 352, 372, 496, 528, 661, 682, 744, 992, 1023, 1056, 1322, 1364, 1488, 1983, 2046, 2644, 2728, 2976, 3966, 4092, 5288, 5456, 7271, 7932, 8184, 10576, 10912, 14542, 15864, 16368, 20491, 21152, 21813, 29084, 31728, 32736, 40982, 43626, 58168, 61473, 63456, 81964, 87252, 116336, 122946, 163928, 174504, 225401, 232672, 245892, 327856, 349008, 450802, 491784, 655712, 676203, 698016, 901604, 983568, 1352406, 1803208, 1967136, 2704812, 3606416, 5409624, 7212832, 10819248, 21638496]

約数ペア:

[(1, 21638496), (2, 10819248), (3, 7212832), (4, 5409624), (6, 3606416), (8, 2704812), (11, 1967136), (12, 1803208), (16, 1352406), (22, 983568), (24, 901604), (31, 698016), (32, 676203), (33, 655712), (44, 491784), (48, 450802), (62, 349008), (66, 327856), (88, 245892), (93, 232672), (96, 225401), (124, 174504), (132, 163928), (176, 122946), (186, 116336), (248, 87252), (264, 81964), (341, 63456), (352, 61473), (372, 58168), (496, 43626), (528, 40982), (661, 32736), (682, 31728), (744, 29084), (992, 21813), (1023, 21152), (1056, 20491), (1322, 16368), (1364, 15864), (1488, 14542), (1983, 10912), (2046, 10576), (2644, 8184), (2728, 7932), (2976, 7271), (3966, 5456), (4092, 5288)]