21335100

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{19}}^2\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 108

約数和(自身を含む): 65480184

約数和(自身を除く): 44145084

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 25, 30, 38, 50, 57, 60, 75, 76, 95, 100, 114, 150, 190, 197, 228, 285, 300, 361, 380, 394, 475, 570, 591, 722, 788, 950, 985, 1083, 1140, 1182, 1425, 1444, 1805, 1900, 1970, 2166, 2364, 2850, 2955, 3610, 3743, 3940, 4332, 4925, 5415, 5700, 5910, 7220, 7486, 9025, 9850, 10830, 11229, 11820, 14775, 14972, 18050, 18715, 19700, 21660, 22458, 27075, 29550, 36100, 37430, 44916, 54150, 56145, 59100, 71117, 74860, 93575, 108300, 112290, 142234, 187150, 213351, 224580, 280725, 284468, 355585, 374300, 426702, 561450, 711170, 853404, 1066755, 1122900, 1422340, 1777925, 2133510, 3555850, 4267020, 5333775, 7111700, 10667550, 21335100]

約数ペア:

[(1, 21335100), (2, 10667550), (3, 7111700), (4, 5333775), (5, 4267020), (6, 3555850), (10, 2133510), (12, 1777925), (15, 1422340), (19, 1122900), (20, 1066755), (25, 853404), (30, 711170), (38, 561450), (50, 426702), (57, 374300), (60, 355585), (75, 284468), (76, 280725), (95, 224580), (100, 213351), (114, 187150), (150, 142234), (190, 112290), (197, 108300), (228, 93575), (285, 74860), (300, 71117), (361, 59100), (380, 56145), (394, 54150), (475, 44916), (570, 37430), (591, 36100), (722, 29550), (788, 27075), (950, 22458), (985, 21660), (1083, 19700), (1140, 18715), (1182, 18050), (1425, 14972), (1444, 14775), (1805, 11820), (1900, 11229), (1970, 10830), (2166, 9850), (2364, 9025), (2850, 7486), (2955, 7220), (3610, 5910), (3743, 5700), (3940, 5415), (4332, 4925)]