21024900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{599}}^1$

素因数の和:635

約数の個数: 144

約数和(自身を含む): 72912000

約数和(自身を除く): 51887100

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, 599, 650, 675, 702, 780, 900, 975, 1170, 1198, 1300, 1350, 1404, 1755, 1797, 1950, 2340, 2396, 2700, 2925, 2995, 3510, 3594, 3900, 5391, 5850, 5990, 7020, 7188, 7787, 8775, 8985, 10782, 11700, 11980, 14975, 15574, 16173, 17550, 17970, 21564, 23361, 26955, 29950, 31148, 32346, 35100, 35940, 38935, 44925, 46722, 53910, 59900, 64692, 70083, 77870, 80865, 89850, 93444, 107820, 116805, 134775, 140166, 155740, 161730, 179700, 194675, 210249, 233610, 269550, 280332, 323460, 350415, 389350, 404325, 420498, 467220, 539100, 584025, 700830, 778700, 808650, 840996, 1051245, 1168050, 1401660, 1617300, 1752075, 2102490, 2336100, 3504150, 4204980, 5256225, 7008300, 10512450, 21024900]

約数ペア:

[(1, 21024900), (2, 10512450), (3, 7008300), (4, 5256225), (5, 4204980), (6, 3504150), (9, 2336100), (10, 2102490), (12, 1752075), (13, 1617300), (15, 1401660), (18, 1168050), (20, 1051245), (25, 840996), (26, 808650), (27, 778700), (30, 700830), (36, 584025), (39, 539100), (45, 467220), (50, 420498), (52, 404325), (54, 389350), (60, 350415), (65, 323460), (75, 280332), (78, 269550), (90, 233610), (100, 210249), (108, 194675), (117, 179700), (130, 161730), (135, 155740), (150, 140166), (156, 134775), (180, 116805), (195, 107820), (225, 93444), (234, 89850), (260, 80865), (270, 77870), (300, 70083), (325, 64692), (351, 59900), (390, 53910), (450, 46722), (468, 44925), (540, 38935), (585, 35940), (599, 35100), (650, 32346), (675, 31148), (702, 29950), (780, 26955), (900, 23361), (975, 21564), (1170, 17970), (1198, 17550), (1300, 16173), (1350, 15574), (1404, 14975), (1755, 11980), (1797, 11700), (1950, 10782), (2340, 8985), (2396, 8775), (2700, 7787), (2925, 7188), (2995, 7020), (3510, 5990), (3594, 5850), (3900, 5391)]