21831498

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{227}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 52859520

約数和(自身を除く): 31028022

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 137, 227, 234, 274, 351, 411, 454, 681, 702, 822, 1233, 1362, 1781, 2043, 2466, 2951, 3562, 3699, 4086, 5343, 5902, 6129, 7398, 8853, 10686, 12258, 16029, 17706, 26559, 31099, 32058, 48087, 53118, 62198, 79677, 93297, 96174, 159354, 186594, 279891, 404287, 559782, 808574, 839673, 1212861, 1679346, 2425722, 3638583, 7277166, 10915749, 21831498]

約数ペア:

[(1, 21831498), (2, 10915749), (3, 7277166), (6, 3638583), (9, 2425722), (13, 1679346), (18, 1212861), (26, 839673), (27, 808574), (39, 559782), (54, 404287), (78, 279891), (117, 186594), (137, 159354), (227, 96174), (234, 93297), (274, 79677), (351, 62198), (411, 53118), (454, 48087), (681, 32058), (702, 31099), (822, 26559), (1233, 17706), (1362, 16029), (1781, 12258), (2043, 10686), (2466, 8853), (2951, 7398), (3562, 6129), (3699, 5902), (4086, 5343)]