21996450

素因数分解:

$2^1\times 3^2\times 5^2\times 7^1\times {\mathrm{6983}}^1$

素因数の和:7008

約数の個数: 72

約数和(自身を含む): 67549248

約数和(自身を除く): 45552798

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 30, 35, 42, 45, 50, 63, 70, 75, 90, 105, 126, 150, 175, 210, 225, 315, 350, 450, 525, 630, 1050, 1575, 3150, 6983, 13966, 20949, 34915, 41898, 48881, 62847, 69830, 97762, 104745, 125694, 146643, 174575, 209490, 244405, 293286, 314235, 349150, 439929, 488810, 523725, 628470, 733215, 879858, 1047450, 1222025, 1466430, 1571175, 2199645, 2444050, 3142350, 3666075, 4399290, 7332150, 10998225, 21996450]

約数ペア:

[(1, 21996450), (2, 10998225), (3, 7332150), (5, 4399290), (6, 3666075), (7, 3142350), (9, 2444050), (10, 2199645), (14, 1571175), (15, 1466430), (18, 1222025), (21, 1047450), (25, 879858), (30, 733215), (35, 628470), (42, 523725), (45, 488810), (50, 439929), (63, 349150), (70, 314235), (75, 293286), (90, 244405), (105, 209490), (126, 174575), (150, 146643), (175, 125694), (210, 104745), (225, 97762), (315, 69830), (350, 62847), (450, 48881), (525, 41898), (630, 34915), (1050, 20949), (1575, 13966), (3150, 6983)]