21902250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 128

約数和(自身を含む): 60652800

約数和(自身を除く): 38750550

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 25, 29, 30, 38, 50, 53, 57, 58, 75, 87, 95, 106, 114, 125, 145, 150, 159, 174, 190, 250, 265, 285, 290, 318, 375, 435, 475, 530, 551, 570, 725, 750, 795, 870, 950, 1007, 1102, 1325, 1425, 1450, 1537, 1590, 1653, 2014, 2175, 2375, 2650, 2755, 2850, 3021, 3074, 3306, 3625, 3975, 4350, 4611, 4750, 5035, 5510, 6042, 6625, 7125, 7250, 7685, 7950, 8265, 9222, 10070, 10875, 13250, 13775, 14250, 15105, 15370, 16530, 19875, 21750, 23055, 25175, 27550, 29203, 30210, 38425, 39750, 41325, 46110, 50350, 58406, 68875, 75525, 76850, 82650, 87609, 115275, 125875, 137750, 146015, 151050, 175218, 192125, 206625, 230550, 251750, 292030, 377625, 384250, 413250, 438045, 576375, 730075, 755250, 876090, 1152750, 1460150, 2190225, 3650375, 4380450, 7300750, 10951125, 21902250]

約数ペア:

[(1, 21902250), (2, 10951125), (3, 7300750), (5, 4380450), (6, 3650375), (10, 2190225), (15, 1460150), (19, 1152750), (25, 876090), (29, 755250), (30, 730075), (38, 576375), (50, 438045), (53, 413250), (57, 384250), (58, 377625), (75, 292030), (87, 251750), (95, 230550), (106, 206625), (114, 192125), (125, 175218), (145, 151050), (150, 146015), (159, 137750), (174, 125875), (190, 115275), (250, 87609), (265, 82650), (285, 76850), (290, 75525), (318, 68875), (375, 58406), (435, 50350), (475, 46110), (530, 41325), (551, 39750), (570, 38425), (725, 30210), (750, 29203), (795, 27550), (870, 25175), (950, 23055), (1007, 21750), (1102, 19875), (1325, 16530), (1425, 15370), (1450, 15105), (1537, 14250), (1590, 13775), (1653, 13250), (2014, 10875), (2175, 10070), (2375, 9222), (2650, 8265), (2755, 7950), (2850, 7685), (3021, 7250), (3074, 7125), (3306, 6625), (3625, 6042), (3975, 5510), (4350, 5035), (4611, 4750)]