21479157777

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{78203}}^1$

素因数の和:78294

約数の個数: 64

約数和(自身を含む): 37838223360

約数和(自身を除く): 16359065583

約数列:

[1, 3, 7, 11, 21, 29, 33, 41, 77, 87, 123, 203, 231, 287, 319, 451, 609, 861, 957, 1189, 1353, 2233, 3157, 3567, 6699, 8323, 9471, 13079, 24969, 39237, 78203, 91553, 234609, 274659, 547421, 860233, 1642263, 2267887, 2580699, 3206323, 6021631, 6803661, 9618969, 15875209, 18064893, 22444261, 24946757, 35269553, 47625627, 67332783, 74840271, 92983367, 105808659, 174627299, 246886871, 278950101, 523881897, 650883569, 740660613, 1022817037, 1952650707, 3068451111, 7159719259, 21479157777]

約数ペア:

[(1, 21479157777), (3, 7159719259), (7, 3068451111), (11, 1952650707), (21, 1022817037), (29, 740660613), (33, 650883569), (41, 523881897), (77, 278950101), (87, 246886871), (123, 174627299), (203, 105808659), (231, 92983367), (287, 74840271), (319, 67332783), (451, 47625627), (609, 35269553), (861, 24946757), (957, 22444261), (1189, 18064893), (1353, 15875209), (2233, 9618969), (3157, 6803661), (3567, 6021631), (6699, 3206323), (8323, 2580699), (9471, 2267887), (13079, 1642263), (24969, 860233), (39237, 547421), (78203, 274659), (91553, 234609)]