21632220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2557}}^1$

素因数の和:2619

約数の個数: 72

約数和(自身を含む): 67040064

約数和(自身を除く): 45407844

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2557, 2820, 4230, 5114, 7671, 8460, 10228, 12785, 15342, 23013, 25570, 30684, 38355, 46026, 51140, 76710, 92052, 115065, 120179, 153420, 230130, 240358, 360537, 460260, 480716, 600895, 721074, 1081611, 1201790, 1442148, 1802685, 2163222, 2403580, 3605370, 4326444, 5408055, 7210740, 10816110, 21632220]

約数ペア:

[(1, 21632220), (2, 10816110), (3, 7210740), (4, 5408055), (5, 4326444), (6, 3605370), (9, 2403580), (10, 2163222), (12, 1802685), (15, 1442148), (18, 1201790), (20, 1081611), (30, 721074), (36, 600895), (45, 480716), (47, 460260), (60, 360537), (90, 240358), (94, 230130), (141, 153420), (180, 120179), (188, 115065), (235, 92052), (282, 76710), (423, 51140), (470, 46026), (564, 38355), (705, 30684), (846, 25570), (940, 23013), (1410, 15342), (1692, 12785), (2115, 10228), (2557, 8460), (2820, 7671), (4230, 5114)]