21707100

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 108

約数和(自身を含む): 69058080

約数和(自身を除く): 47350980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 89, 90, 100, 150, 178, 180, 225, 267, 271, 300, 356, 445, 450, 534, 542, 801, 813, 890, 900, 1068, 1084, 1335, 1355, 1602, 1626, 1780, 2225, 2439, 2670, 2710, 3204, 3252, 4005, 4065, 4450, 4878, 5340, 5420, 6675, 6775, 8010, 8130, 8900, 9756, 12195, 13350, 13550, 16020, 16260, 20025, 20325, 24119, 24390, 26700, 27100, 40050, 40650, 48238, 48780, 60975, 72357, 80100, 81300, 96476, 120595, 121950, 144714, 217071, 241190, 243900, 289428, 361785, 434142, 482380, 602975, 723570, 868284, 1085355, 1205950, 1447140, 1808925, 2170710, 2411900, 3617850, 4341420, 5426775, 7235700, 10853550, 21707100]

約数ペア:

[(1, 21707100), (2, 10853550), (3, 7235700), (4, 5426775), (5, 4341420), (6, 3617850), (9, 2411900), (10, 2170710), (12, 1808925), (15, 1447140), (18, 1205950), (20, 1085355), (25, 868284), (30, 723570), (36, 602975), (45, 482380), (50, 434142), (60, 361785), (75, 289428), (89, 243900), (90, 241190), (100, 217071), (150, 144714), (178, 121950), (180, 120595), (225, 96476), (267, 81300), (271, 80100), (300, 72357), (356, 60975), (445, 48780), (450, 48238), (534, 40650), (542, 40050), (801, 27100), (813, 26700), (890, 24390), (900, 24119), (1068, 20325), (1084, 20025), (1335, 16260), (1355, 16020), (1602, 13550), (1626, 13350), (1780, 12195), (2225, 9756), (2439, 8900), (2670, 8130), (2710, 8010), (3204, 6775), (3252, 6675), (4005, 5420), (4065, 5340), (4450, 4878)]