21457050

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{2699}}^1$

素因数の和:2767

約数の個数: 48

約数和(自身を含む): 54237600

約数和(自身を除く): 32780550

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 50, 53, 75, 106, 150, 159, 265, 318, 530, 795, 1325, 1590, 2650, 2699, 3975, 5398, 7950, 8097, 13495, 16194, 26990, 40485, 67475, 80970, 134950, 143047, 202425, 286094, 404850, 429141, 715235, 858282, 1430470, 2145705, 3576175, 4291410, 7152350, 10728525, 21457050]

約数ペア:

[(1, 21457050), (2, 10728525), (3, 7152350), (5, 4291410), (6, 3576175), (10, 2145705), (15, 1430470), (25, 858282), (30, 715235), (50, 429141), (53, 404850), (75, 286094), (106, 202425), (150, 143047), (159, 134950), (265, 80970), (318, 67475), (530, 40485), (795, 26990), (1325, 16194), (1590, 13495), (2650, 8097), (2699, 7950), (3975, 5398)]