21525480

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1049}}^1$

素因数の和:1088

約数の個数: 128

約数和(自身を含む): 75600000

約数和(自身を除く): 54074520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 27, 30, 36, 38, 40, 45, 54, 57, 60, 72, 76, 90, 95, 108, 114, 120, 135, 152, 171, 180, 190, 216, 228, 270, 285, 342, 360, 380, 456, 513, 540, 570, 684, 760, 855, 1026, 1049, 1080, 1140, 1368, 1710, 2052, 2098, 2280, 2565, 3147, 3420, 4104, 4196, 5130, 5245, 6294, 6840, 8392, 9441, 10260, 10490, 12588, 15735, 18882, 19931, 20520, 20980, 25176, 28323, 31470, 37764, 39862, 41960, 47205, 56646, 59793, 62940, 75528, 79724, 94410, 99655, 113292, 119586, 125880, 141615, 159448, 179379, 188820, 199310, 226584, 239172, 283230, 298965, 358758, 377640, 398620, 478344, 538137, 566460, 597930, 717516, 797240, 896895, 1076274, 1132920, 1195860, 1435032, 1793790, 2152548, 2391720, 2690685, 3587580, 4305096, 5381370, 7175160, 10762740, 21525480]

約数ペア:

[(1, 21525480), (2, 10762740), (3, 7175160), (4, 5381370), (5, 4305096), (6, 3587580), (8, 2690685), (9, 2391720), (10, 2152548), (12, 1793790), (15, 1435032), (18, 1195860), (19, 1132920), (20, 1076274), (24, 896895), (27, 797240), (30, 717516), (36, 597930), (38, 566460), (40, 538137), (45, 478344), (54, 398620), (57, 377640), (60, 358758), (72, 298965), (76, 283230), (90, 239172), (95, 226584), (108, 199310), (114, 188820), (120, 179379), (135, 159448), (152, 141615), (171, 125880), (180, 119586), (190, 113292), (216, 99655), (228, 94410), (270, 79724), (285, 75528), (342, 62940), (360, 59793), (380, 56646), (456, 47205), (513, 41960), (540, 39862), (570, 37764), (684, 31470), (760, 28323), (855, 25176), (1026, 20980), (1049, 20520), (1080, 19931), (1140, 18882), (1368, 15735), (1710, 12588), (2052, 10490), (2098, 10260), (2280, 9441), (2565, 8392), (3147, 6840), (3420, 6294), (4104, 5245), (4196, 5130)]