21288150

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1213}}^1$

素因数の和:1247

約数の個数: 96

約数和(自身を含む): 63225120

約数和(自身を除く): 41936970

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 130, 135, 150, 195, 225, 234, 270, 325, 351, 390, 450, 585, 650, 675, 702, 975, 1170, 1213, 1350, 1755, 1950, 2426, 2925, 3510, 3639, 5850, 6065, 7278, 8775, 10917, 12130, 15769, 17550, 18195, 21834, 30325, 31538, 32751, 36390, 47307, 54585, 60650, 65502, 78845, 90975, 94614, 109170, 141921, 157690, 163755, 181950, 236535, 272925, 283842, 327510, 394225, 425763, 473070, 545850, 709605, 788450, 818775, 851526, 1182675, 1419210, 1637550, 2128815, 2365350, 3548025, 4257630, 7096050, 10644075, 21288150]

約数ペア:

[(1, 21288150), (2, 10644075), (3, 7096050), (5, 4257630), (6, 3548025), (9, 2365350), (10, 2128815), (13, 1637550), (15, 1419210), (18, 1182675), (25, 851526), (26, 818775), (27, 788450), (30, 709605), (39, 545850), (45, 473070), (50, 425763), (54, 394225), (65, 327510), (75, 283842), (78, 272925), (90, 236535), (117, 181950), (130, 163755), (135, 157690), (150, 141921), (195, 109170), (225, 94614), (234, 90975), (270, 78845), (325, 65502), (351, 60650), (390, 54585), (450, 47307), (585, 36390), (650, 32751), (675, 31538), (702, 30325), (975, 21834), (1170, 18195), (1213, 17550), (1350, 15769), (1755, 12130), (1950, 10917), (2426, 8775), (2925, 7278), (3510, 6065), (3639, 5850)]