21617700

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1$

素因数の和:294

約数の個数: 144

約数和(自身を含む): 70578816

約数和(自身を除く): 48961116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 23, 25, 26, 30, 39, 46, 50, 52, 60, 65, 69, 75, 78, 92, 100, 115, 130, 138, 150, 156, 195, 230, 241, 260, 276, 299, 300, 325, 345, 390, 460, 482, 575, 598, 650, 690, 723, 780, 897, 964, 975, 1150, 1196, 1205, 1300, 1380, 1446, 1495, 1725, 1794, 1950, 2300, 2410, 2892, 2990, 3133, 3450, 3588, 3615, 3900, 4485, 4820, 5543, 5980, 6025, 6266, 6900, 7230, 7475, 8970, 9399, 11086, 12050, 12532, 14460, 14950, 15665, 16629, 17940, 18075, 18798, 22172, 22425, 24100, 27715, 29900, 31330, 33258, 36150, 37596, 44850, 46995, 55430, 62660, 66516, 72059, 72300, 78325, 83145, 89700, 93990, 110860, 138575, 144118, 156650, 166290, 187980, 216177, 234975, 277150, 288236, 313300, 332580, 360295, 415725, 432354, 469950, 554300, 720590, 831450, 864708, 939900, 1080885, 1441180, 1662900, 1801475, 2161770, 3602950, 4323540, 5404425, 7205900, 10808850, 21617700]

約数ペア:

[(1, 21617700), (2, 10808850), (3, 7205900), (4, 5404425), (5, 4323540), (6, 3602950), (10, 2161770), (12, 1801475), (13, 1662900), (15, 1441180), (20, 1080885), (23, 939900), (25, 864708), (26, 831450), (30, 720590), (39, 554300), (46, 469950), (50, 432354), (52, 415725), (60, 360295), (65, 332580), (69, 313300), (75, 288236), (78, 277150), (92, 234975), (100, 216177), (115, 187980), (130, 166290), (138, 156650), (150, 144118), (156, 138575), (195, 110860), (230, 93990), (241, 89700), (260, 83145), (276, 78325), (299, 72300), (300, 72059), (325, 66516), (345, 62660), (390, 55430), (460, 46995), (482, 44850), (575, 37596), (598, 36150), (650, 33258), (690, 31330), (723, 29900), (780, 27715), (897, 24100), (964, 22425), (975, 22172), (1150, 18798), (1196, 18075), (1205, 17940), (1300, 16629), (1380, 15665), (1446, 14950), (1495, 14460), (1725, 12532), (1794, 12050), (1950, 11086), (2300, 9399), (2410, 8970), (2892, 7475), (2990, 7230), (3133, 6900), (3450, 6266), (3588, 6025), (3615, 5980), (3900, 5543), (4485, 4820)]