21620760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{3677}}^1$

素因数の和:3705

約数の個数: 96

約数和(自身を含む): 75472560

約数和(自身を除く): 53851800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 392, 420, 490, 588, 735, 840, 980, 1176, 1470, 1960, 2940, 3677, 5880, 7354, 11031, 14708, 18385, 22062, 25739, 29416, 36770, 44124, 51478, 55155, 73540, 77217, 88248, 102956, 110310, 128695, 147080, 154434, 180173, 205912, 220620, 257390, 308868, 360346, 386085, 441240, 514780, 540519, 617736, 720692, 772170, 900865, 1029560, 1081038, 1441384, 1544340, 1801730, 2162076, 2702595, 3088680, 3603460, 4324152, 5405190, 7206920, 10810380, 21620760]

約数ペア:

[(1, 21620760), (2, 10810380), (3, 7206920), (4, 5405190), (5, 4324152), (6, 3603460), (7, 3088680), (8, 2702595), (10, 2162076), (12, 1801730), (14, 1544340), (15, 1441384), (20, 1081038), (21, 1029560), (24, 900865), (28, 772170), (30, 720692), (35, 617736), (40, 540519), (42, 514780), (49, 441240), (56, 386085), (60, 360346), (70, 308868), (84, 257390), (98, 220620), (105, 205912), (120, 180173), (140, 154434), (147, 147080), (168, 128695), (196, 110310), (210, 102956), (245, 88248), (280, 77217), (294, 73540), (392, 55155), (420, 51478), (490, 44124), (588, 36770), (735, 29416), (840, 25739), (980, 22062), (1176, 18385), (1470, 14708), (1960, 11031), (2940, 7354), (3677, 5880)]