21675960

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3169}}^1$

素因数の和:3205

約数の個数: 96

約数和(自身を含む): 74178000

約数和(自身を除く): 52502040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3169, 3420, 6338, 6840, 9507, 12676, 15845, 19014, 25352, 28521, 31690, 38028, 47535, 57042, 60211, 63380, 76056, 95070, 114084, 120422, 126760, 142605, 180633, 190140, 228168, 240844, 285210, 301055, 361266, 380280, 481688, 541899, 570420, 602110, 722532, 903165, 1083798, 1140840, 1204220, 1445064, 1806330, 2167596, 2408440, 2709495, 3612660, 4335192, 5418990, 7225320, 10837980, 21675960]

約数ペア:

[(1, 21675960), (2, 10837980), (3, 7225320), (4, 5418990), (5, 4335192), (6, 3612660), (8, 2709495), (9, 2408440), (10, 2167596), (12, 1806330), (15, 1445064), (18, 1204220), (19, 1140840), (20, 1083798), (24, 903165), (30, 722532), (36, 602110), (38, 570420), (40, 541899), (45, 481688), (57, 380280), (60, 361266), (72, 301055), (76, 285210), (90, 240844), (95, 228168), (114, 190140), (120, 180633), (152, 142605), (171, 126760), (180, 120422), (190, 114084), (228, 95070), (285, 76056), (342, 63380), (360, 60211), (380, 57042), (456, 47535), (570, 38028), (684, 31690), (760, 28521), (855, 25352), (1140, 19014), (1368, 15845), (1710, 12676), (2280, 9507), (3169, 6840), (3420, 6338)]