21053970

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1453}}^1$

素因数の和:1496

約数の個数: 96

約数和(自身を含む): 65325312

約数和(自身を除く): 44271342

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 30, 35, 42, 45, 46, 63, 69, 70, 90, 105, 115, 126, 138, 161, 207, 210, 230, 315, 322, 345, 414, 483, 630, 690, 805, 966, 1035, 1449, 1453, 1610, 2070, 2415, 2898, 2906, 4359, 4830, 7245, 7265, 8718, 10171, 13077, 14490, 14530, 20342, 21795, 26154, 30513, 33419, 43590, 50855, 61026, 65385, 66838, 91539, 100257, 101710, 130770, 152565, 167095, 183078, 200514, 233933, 300771, 305130, 334190, 457695, 467866, 501285, 601542, 701799, 915390, 1002570, 1169665, 1403598, 1503855, 2105397, 2339330, 3007710, 3508995, 4210794, 7017990, 10526985, 21053970]

約数ペア:

[(1, 21053970), (2, 10526985), (3, 7017990), (5, 4210794), (6, 3508995), (7, 3007710), (9, 2339330), (10, 2105397), (14, 1503855), (15, 1403598), (18, 1169665), (21, 1002570), (23, 915390), (30, 701799), (35, 601542), (42, 501285), (45, 467866), (46, 457695), (63, 334190), (69, 305130), (70, 300771), (90, 233933), (105, 200514), (115, 183078), (126, 167095), (138, 152565), (161, 130770), (207, 101710), (210, 100257), (230, 91539), (315, 66838), (322, 65385), (345, 61026), (414, 50855), (483, 43590), (630, 33419), (690, 30513), (805, 26154), (966, 21795), (1035, 20342), (1449, 14530), (1453, 14490), (1610, 13077), (2070, 10171), (2415, 8718), (2898, 7265), (2906, 7245), (4359, 4830)]