21321504

素因数分解:

$2^5\times 3^2\times {\mathrm{101}}^1\times {\mathrm{733}}^1$

素因数の和:850

約数の個数: 72

約数和(自身を含む): 61316892

約数和(自身を除く): 39995388

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 101, 144, 202, 288, 303, 404, 606, 733, 808, 909, 1212, 1466, 1616, 1818, 2199, 2424, 2932, 3232, 3636, 4398, 4848, 5864, 6597, 7272, 8796, 9696, 11728, 13194, 14544, 17592, 23456, 26388, 29088, 35184, 52776, 70368, 74033, 105552, 148066, 211104, 222099, 296132, 444198, 592264, 666297, 888396, 1184528, 1332594, 1776792, 2369056, 2665188, 3553584, 5330376, 7107168, 10660752, 21321504]

約数ペア:

[(1, 21321504), (2, 10660752), (3, 7107168), (4, 5330376), (6, 3553584), (8, 2665188), (9, 2369056), (12, 1776792), (16, 1332594), (18, 1184528), (24, 888396), (32, 666297), (36, 592264), (48, 444198), (72, 296132), (96, 222099), (101, 211104), (144, 148066), (202, 105552), (288, 74033), (303, 70368), (404, 52776), (606, 35184), (733, 29088), (808, 26388), (909, 23456), (1212, 17592), (1466, 14544), (1616, 13194), (1818, 11728), (2199, 9696), (2424, 8796), (2932, 7272), (3232, 6597), (3636, 5864), (4398, 4848)]