21453600

素因数分解:

$2^5\times 3^1\times 5^2\times 7^1\times {\mathrm{1277}}^1$

素因数の和:1307

約数の個数: 144

約数和(自身を含む): 79869888

約数和(自身を除く): 58416288

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 96, 100, 105, 112, 120, 140, 150, 160, 168, 175, 200, 210, 224, 240, 280, 300, 336, 350, 400, 420, 480, 525, 560, 600, 672, 700, 800, 840, 1050, 1120, 1200, 1277, 1400, 1680, 2100, 2400, 2554, 2800, 3360, 3831, 4200, 5108, 5600, 6385, 7662, 8400, 8939, 10216, 12770, 15324, 16800, 17878, 19155, 20432, 25540, 26817, 30648, 31925, 35756, 38310, 40864, 44695, 51080, 53634, 61296, 63850, 71512, 76620, 89390, 95775, 102160, 107268, 122592, 127700, 134085, 143024, 153240, 178780, 191550, 204320, 214536, 223475, 255400, 268170, 286048, 306480, 357560, 383100, 429072, 446950, 510800, 536340, 612960, 670425, 715120, 766200, 858144, 893900, 1021600, 1072680, 1340850, 1430240, 1532400, 1787800, 2145360, 2681700, 3064800, 3575600, 4290720, 5363400, 7151200, 10726800, 21453600]

約数ペア:

[(1, 21453600), (2, 10726800), (3, 7151200), (4, 5363400), (5, 4290720), (6, 3575600), (7, 3064800), (8, 2681700), (10, 2145360), (12, 1787800), (14, 1532400), (15, 1430240), (16, 1340850), (20, 1072680), (21, 1021600), (24, 893900), (25, 858144), (28, 766200), (30, 715120), (32, 670425), (35, 612960), (40, 536340), (42, 510800), (48, 446950), (50, 429072), (56, 383100), (60, 357560), (70, 306480), (75, 286048), (80, 268170), (84, 255400), (96, 223475), (100, 214536), (105, 204320), (112, 191550), (120, 178780), (140, 153240), (150, 143024), (160, 134085), (168, 127700), (175, 122592), (200, 107268), (210, 102160), (224, 95775), (240, 89390), (280, 76620), (300, 71512), (336, 63850), (350, 61296), (400, 53634), (420, 51080), (480, 44695), (525, 40864), (560, 38310), (600, 35756), (672, 31925), (700, 30648), (800, 26817), (840, 25540), (1050, 20432), (1120, 19155), (1200, 17878), (1277, 16800), (1400, 15324), (1680, 12770), (2100, 10216), (2400, 8939), (2554, 8400), (2800, 7662), (3360, 6385), (3831, 5600), (4200, 5108)]