21095100

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{601}}^1$

素因数の和:637

約数の個数: 144

約数和(自身を含む): 73155040

約数和(自身を除く): 52059940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 25, 26, 27, 30, 36, 39, 45, 50, 52, 54, 60, 65, 75, 78, 90, 100, 108, 117, 130, 135, 150, 156, 180, 195, 225, 234, 260, 270, 300, 325, 351, 390, 450, 468, 540, 585, 601, 650, 675, 702, 780, 900, 975, 1170, 1202, 1300, 1350, 1404, 1755, 1803, 1950, 2340, 2404, 2700, 2925, 3005, 3510, 3606, 3900, 5409, 5850, 6010, 7020, 7212, 7813, 8775, 9015, 10818, 11700, 12020, 15025, 15626, 16227, 17550, 18030, 21636, 23439, 27045, 30050, 31252, 32454, 35100, 36060, 39065, 45075, 46878, 54090, 60100, 64908, 70317, 78130, 81135, 90150, 93756, 108180, 117195, 135225, 140634, 156260, 162270, 180300, 195325, 210951, 234390, 270450, 281268, 324540, 351585, 390650, 405675, 421902, 468780, 540900, 585975, 703170, 781300, 811350, 843804, 1054755, 1171950, 1406340, 1622700, 1757925, 2109510, 2343900, 3515850, 4219020, 5273775, 7031700, 10547550, 21095100]

約数ペア:

[(1, 21095100), (2, 10547550), (3, 7031700), (4, 5273775), (5, 4219020), (6, 3515850), (9, 2343900), (10, 2109510), (12, 1757925), (13, 1622700), (15, 1406340), (18, 1171950), (20, 1054755), (25, 843804), (26, 811350), (27, 781300), (30, 703170), (36, 585975), (39, 540900), (45, 468780), (50, 421902), (52, 405675), (54, 390650), (60, 351585), (65, 324540), (75, 281268), (78, 270450), (90, 234390), (100, 210951), (108, 195325), (117, 180300), (130, 162270), (135, 156260), (150, 140634), (156, 135225), (180, 117195), (195, 108180), (225, 93756), (234, 90150), (260, 81135), (270, 78130), (300, 70317), (325, 64908), (351, 60100), (390, 54090), (450, 46878), (468, 45075), (540, 39065), (585, 36060), (601, 35100), (650, 32454), (675, 31252), (702, 30050), (780, 27045), (900, 23439), (975, 21636), (1170, 18030), (1202, 17550), (1300, 16227), (1350, 15626), (1404, 15025), (1755, 12020), (1803, 11700), (1950, 10818), (2340, 9015), (2404, 8775), (2700, 7813), (2925, 7212), (3005, 7020), (3510, 6010), (3606, 5850), (3900, 5409)]