21601125

素因数分解:

$3^2\times 5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1$

素因数の和:252

約数の個数: 96

約数和(自身を含む): 48152832

約数和(自身を除く): 26551707

約数列:

[1, 3, 5, 7, 9, 13, 15, 21, 25, 35, 39, 45, 63, 65, 75, 91, 105, 117, 125, 175, 195, 211, 225, 273, 315, 325, 375, 455, 525, 585, 633, 819, 875, 975, 1055, 1125, 1365, 1477, 1575, 1625, 1899, 2275, 2625, 2743, 2925, 3165, 4095, 4431, 4875, 5275, 6825, 7385, 7875, 8229, 9495, 11375, 13293, 13715, 14625, 15825, 19201, 20475, 22155, 24687, 26375, 34125, 36925, 41145, 47475, 57603, 66465, 68575, 79125, 96005, 102375, 110775, 123435, 172809, 184625, 205725, 237375, 288015, 332325, 342875, 480025, 553875, 617175, 864045, 1028625, 1440075, 1661625, 2400125, 3085875, 4320225, 7200375, 21601125]

約数ペア:

[(1, 21601125), (3, 7200375), (5, 4320225), (7, 3085875), (9, 2400125), (13, 1661625), (15, 1440075), (21, 1028625), (25, 864045), (35, 617175), (39, 553875), (45, 480025), (63, 342875), (65, 332325), (75, 288015), (91, 237375), (105, 205725), (117, 184625), (125, 172809), (175, 123435), (195, 110775), (211, 102375), (225, 96005), (273, 79125), (315, 68575), (325, 66465), (375, 57603), (455, 47475), (525, 41145), (585, 36925), (633, 34125), (819, 26375), (875, 24687), (975, 22155), (1055, 20475), (1125, 19201), (1365, 15825), (1477, 14625), (1575, 13715), (1625, 13293), (1899, 11375), (2275, 9495), (2625, 8229), (2743, 7875), (2925, 7385), (3165, 6825), (4095, 5275), (4431, 4875)]