21342915180

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13174639}}^1$

素因数の和:13174660

約数の個数: 60

約数和(自身を含む): 66953520480

約数和(自身を除く): 45610605300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13174639, 26349278, 39523917, 52698556, 65873195, 79047834, 118571751, 131746390, 158095668, 197619585, 237143502, 263492780, 355715253, 395239170, 474287004, 592858755, 711430506, 790478340, 1067145759, 1185717510, 1422861012, 1778576265, 2134291518, 2371435020, 3557152530, 4268583036, 5335728795, 7114305060, 10671457590, 21342915180]

約数ペア:

[(1, 21342915180), (2, 10671457590), (3, 7114305060), (4, 5335728795), (5, 4268583036), (6, 3557152530), (9, 2371435020), (10, 2134291518), (12, 1778576265), (15, 1422861012), (18, 1185717510), (20, 1067145759), (27, 790478340), (30, 711430506), (36, 592858755), (45, 474287004), (54, 395239170), (60, 355715253), (81, 263492780), (90, 237143502), (108, 197619585), (135, 158095668), (162, 131746390), (180, 118571751), (270, 79047834), (324, 65873195), (405, 52698556), (540, 39523917), (810, 26349278), (1620, 13174639)]