21493058405

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{4951}}^1$

素因数の和:5059

約数の個数: 96

約数和(自身を含む): 34142653440

約数和(自身を除く): 12649595035

約数列:

[1, 5, 7, 13, 29, 35, 47, 49, 65, 91, 145, 203, 235, 245, 329, 377, 455, 611, 637, 1015, 1363, 1421, 1645, 1885, 2303, 2639, 3055, 3185, 4277, 4951, 6815, 7105, 9541, 11515, 13195, 17719, 18473, 21385, 24755, 29939, 34657, 47705, 64363, 66787, 88595, 92365, 124033, 143579, 149695, 173285, 232697, 242599, 321815, 333935, 450541, 620165, 717895, 868231, 1005053, 1163485, 1212995, 1628879, 1866527, 2252705, 3025061, 3153787, 4341155, 5025265, 6748213, 7035371, 8144395, 9332635, 11402153, 13065689, 15125305, 15768935, 21175427, 33741065, 35176855, 47237491, 57010765, 65328445, 87726769, 91459823, 105877135, 148227989, 236187455, 330662437, 438633845, 457299115, 614087383, 741139945, 1653312185, 3070436915, 4298611681, 21493058405]

約数ペア:

[(1, 21493058405), (5, 4298611681), (7, 3070436915), (13, 1653312185), (29, 741139945), (35, 614087383), (47, 457299115), (49, 438633845), (65, 330662437), (91, 236187455), (145, 148227989), (203, 105877135), (235, 91459823), (245, 87726769), (329, 65328445), (377, 57010765), (455, 47237491), (611, 35176855), (637, 33741065), (1015, 21175427), (1363, 15768935), (1421, 15125305), (1645, 13065689), (1885, 11402153), (2303, 9332635), (2639, 8144395), (3055, 7035371), (3185, 6748213), (4277, 5025265), (4951, 4341155), (6815, 3153787), (7105, 3025061), (9541, 2252705), (11515, 1866527), (13195, 1628879), (17719, 1212995), (18473, 1163485), (21385, 1005053), (24755, 868231), (29939, 717895), (34657, 620165), (47705, 450541), (64363, 333935), (66787, 321815), (88595, 242599), (92365, 232697), (124033, 173285), (143579, 149695)]