21679565550

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{971}}^1\times {\mathrm{2039}}^1$

素因数の和:3098

約数の個数: 96

約数和(自身を含む): 54584720640

約数和(自身を除く): 32905155090

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 73, 75, 146, 150, 219, 365, 438, 730, 971, 1095, 1825, 1942, 2039, 2190, 2913, 3650, 4078, 4855, 5475, 5826, 6117, 9710, 10195, 10950, 12234, 14565, 20390, 24275, 29130, 30585, 48550, 50975, 61170, 70883, 72825, 101950, 141766, 145650, 148847, 152925, 212649, 297694, 305850, 354415, 425298, 446541, 708830, 744235, 893082, 1063245, 1488470, 1772075, 1979869, 2126490, 2232705, 3544150, 3721175, 3959738, 4465410, 5316225, 5939607, 7442350, 9899345, 10632450, 11163525, 11879214, 19798690, 22327050, 29698035, 49496725, 59396070, 98993450, 144530437, 148490175, 289060874, 296980350, 433591311, 722652185, 867182622, 1445304370, 2167956555, 3613260925, 4335913110, 7226521850, 10839782775, 21679565550]

約数ペア:

[(1, 21679565550), (2, 10839782775), (3, 7226521850), (5, 4335913110), (6, 3613260925), (10, 2167956555), (15, 1445304370), (25, 867182622), (30, 722652185), (50, 433591311), (73, 296980350), (75, 289060874), (146, 148490175), (150, 144530437), (219, 98993450), (365, 59396070), (438, 49496725), (730, 29698035), (971, 22327050), (1095, 19798690), (1825, 11879214), (1942, 11163525), (2039, 10632450), (2190, 9899345), (2913, 7442350), (3650, 5939607), (4078, 5316225), (4855, 4465410), (5475, 3959738), (5826, 3721175), (6117, 3544150), (9710, 2232705), (10195, 2126490), (10950, 1979869), (12234, 1772075), (14565, 1488470), (20390, 1063245), (24275, 893082), (29130, 744235), (30585, 708830), (48550, 446541), (50975, 425298), (61170, 354415), (70883, 305850), (72825, 297694), (101950, 212649), (141766, 152925), (145650, 148847)]