21153240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{877}}^1$

素因数の和:961

約数の個数: 96

約数和(自身を含む): 69853680

約数和(自身を除く): 48700440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 877, 1005, 1206, 1340, 1608, 1754, 2010, 2412, 2631, 2680, 3015, 3508, 4020, 4385, 4824, 5262, 6030, 7016, 7893, 8040, 8770, 10524, 12060, 13155, 15786, 17540, 21048, 24120, 26310, 31572, 35080, 39465, 52620, 58759, 63144, 78930, 105240, 117518, 157860, 176277, 235036, 293795, 315720, 352554, 470072, 528831, 587590, 705108, 881385, 1057662, 1175180, 1410216, 1762770, 2115324, 2350360, 2644155, 3525540, 4230648, 5288310, 7051080, 10576620, 21153240]

約数ペア:

[(1, 21153240), (2, 10576620), (3, 7051080), (4, 5288310), (5, 4230648), (6, 3525540), (8, 2644155), (9, 2350360), (10, 2115324), (12, 1762770), (15, 1410216), (18, 1175180), (20, 1057662), (24, 881385), (30, 705108), (36, 587590), (40, 528831), (45, 470072), (60, 352554), (67, 315720), (72, 293795), (90, 235036), (120, 176277), (134, 157860), (180, 117518), (201, 105240), (268, 78930), (335, 63144), (360, 58759), (402, 52620), (536, 39465), (603, 35080), (670, 31572), (804, 26310), (877, 24120), (1005, 21048), (1206, 17540), (1340, 15786), (1608, 13155), (1754, 12060), (2010, 10524), (2412, 8770), (2631, 8040), (2680, 7893), (3015, 7016), (3508, 6030), (4020, 5262), (4385, 4824)]