21474810

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:492

約数の個数: 96

約数和(自身を含む): 64696320

約数和(自身を除く): 43221510

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 383, 445, 534, 623, 630, 766, 801, 890, 1149, 1246, 1335, 1602, 1869, 1915, 2298, 2670, 2681, 3115, 3447, 3738, 3830, 4005, 5362, 5607, 5745, 6230, 6894, 8010, 8043, 9345, 11214, 11490, 13405, 16086, 17235, 18690, 24129, 26810, 28035, 34087, 34470, 40215, 48258, 56070, 68174, 80430, 102261, 120645, 170435, 204522, 238609, 241290, 306783, 340870, 477218, 511305, 613566, 715827, 1022610, 1193045, 1431654, 1533915, 2147481, 2386090, 3067830, 3579135, 4294962, 7158270, 10737405, 21474810]

約数ペア:

[(1, 21474810), (2, 10737405), (3, 7158270), (5, 4294962), (6, 3579135), (7, 3067830), (9, 2386090), (10, 2147481), (14, 1533915), (15, 1431654), (18, 1193045), (21, 1022610), (30, 715827), (35, 613566), (42, 511305), (45, 477218), (63, 340870), (70, 306783), (89, 241290), (90, 238609), (105, 204522), (126, 170435), (178, 120645), (210, 102261), (267, 80430), (315, 68174), (383, 56070), (445, 48258), (534, 40215), (623, 34470), (630, 34087), (766, 28035), (801, 26810), (890, 24129), (1149, 18690), (1246, 17235), (1335, 16086), (1602, 13405), (1869, 11490), (1915, 11214), (2298, 9345), (2670, 8043), (2681, 8010), (3115, 6894), (3447, 6230), (3738, 5745), (3830, 5607), (4005, 5362)]